Study: Cockroaches Survive by Losing Sweet Tooth

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Study: Cockroaches Survive by Losing Sweet Tooth

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Study: Cockroaches Survive by Losing Sweet Tooth

Associated Press Videos 1:16 mins

How sweet it isn't: Scientists find how some cockroaches resist the sugary lure of poisons. It turns out glucose activates taste nerves that tell the brain 'yuck!' instead of 'yum.' (May 23)

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